The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A050605 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A050605

Column/row 2 of A050602: a(n) = add3c(n,2).
(history; published version)

#45 by Michael De Vlieger at Sun May 21 17:11:14 EDT 2023

STATUS

reviewed

approved

#44 by Michel Marcus at Sun May 21 17:02:32 EDT 2023

STATUS

proposed

reviewed

#43 by Stefano Spezia at Sun May 21 16:21:58 EDT 2023

STATUS

editing

proposed

#42 by Stefano Spezia at Sun May 21 16:11:52 EDT 2023

DATA

0, 0, 1, 1, 0, 0, 2, 2, 0, 0, 1, 1, 0, 0, 3, 3, 0, 0, 1, 1, 0, 0, 2, 2, 0, 0, 1, 1, 0, 0, 4, 4, 0, 0, 1, 1, 0, 0, 2, 2, 0, 0, 1, 1, 0, 0, 3, 3, 0, 0, 1, 1, 0, 0, 2, 2, 0, 0, 1, 1, 0, 0, 5, 5, 0, 0, 1, 1, 0, 0, 2, 2, 0, 0, 1, 1, 0, 0, 3, 3, 0, 0, 1, 1, 0, 0, 2, 2

#41 by Stefano Spezia at Sun May 21 15:50:03 EDT 2023

LINKS

Isabel Cação, Helmuth R. Malonek, Maria Irene Falcão , and Graça Tomaz, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL26/Falcao/falcao5.html">Intrinsic Properties of a Non-Symmetric Number Triangle</a>, J. Int. Seq., Vol. 26 (2023), Article 23.4.8.

#40 by Stefano Spezia at Sun May 21 15:43:35 EDT 2023

LINKS

Isabel Cação, Helmuth R. Malonek, Maria Irene Falcão and Graça Tomaz, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL26/Falcao/falcao5.html">Intrinsic Properties of a Non-Symmetric Number Triangle</a>, J. Int. Seq., Vol. 26 (2023), Article 23.4.8.

STATUS

approved

editing

#39 by Charles R Greathouse IV at Thu Sep 08 08:44:58 EDT 2022

PROG

(MAGMAMagma) [Valuation(n*(n+1)/2, 2): n in [1..120]]; // Vincenzo Librandi, Aug 11 2017

Discussion

Thu Sep 08

08:44

OEIS Server: https://oeis.org/edit/global/2944

#38 by Susanna Cuyler at Sat May 15 21:42:55 EDT 2021

STATUS

proposed

approved

#37 by Wesley Ivan Hurt at Sat May 15 17:29:04 EDT 2021

STATUS

editing

proposed

#36 by Wesley Ivan Hurt at Sat May 15 17:28:58 EDT 2021

COMMENTS

a(n) is the number of trailing zeros 0's in the binary reflected Gray code of n+1 (A014550). - Amiram Eldar, May 15 2021

STATUS

proposed

editing